Issue #18200: Update the stdlib (except tests) to use
ModuleNotFoundError.
diff --git a/Lib/_pyio.py b/Lib/_pyio.py
index 137ebcb..79e6df2 100644
--- a/Lib/_pyio.py
+++ b/Lib/_pyio.py
@@ -9,7 +9,7 @@
# Import _thread instead of threading to reduce startup cost
try:
from _thread import allocate_lock as Lock
-except ImportError:
+except ModuleNotFoundError:
from _dummy_thread import allocate_lock as Lock
import io
@@ -1486,7 +1486,7 @@
if encoding is None:
try:
import locale
- except ImportError:
+ except ModuleNotFoundError:
# Importing locale may fail if Python is being built
encoding = "ascii"
else: